Articles | Volume 15, issue 14
https://doi.org/10.5194/bg-15-4515-2018
https://doi.org/10.5194/bg-15-4515-2018
Research article
 | 
25 Jul 2018
Research article |  | 25 Jul 2018

A multi-method autonomous assessment of primary productivity and export efficiency in the springtime North Atlantic

Nathan Briggs, Kristinn Guðmundsson, Ivona Cetinić, Eric D'Asaro, Eric Rehm, Craig Lee, and Mary Jane Perry

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Cited articles

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Alkire, M. B., D'Asaro, E., Lee, C., Perry, M. J., Gray, A., Cetinić, I., Briggs, N., Rehm, E., Kallin, E., Kaiser, J., and González-Posada, A.: Estimates of Net Community Production and Export Using High-Resolution, Lagrangian Measurements of O2, NO3-, and POC through the Evolution of a Spring Diatom Bloom in the North Atlantic, Deep-Sea Res. Pt. I, 64, 157–174, https://doi.org/10.1016/j.dsr.2012.01.012, 2012. 
Bagniewski, W., Fennel, K., Perry, M. J., and D'Asaro, E. A.: Optimizing models of the North Atlantic spring bloom using physical, chemical and bio-optical observations from a Lagrangian float, Biogeosciences, 8, 1291–1307, https://doi.org/10.5194/bg-8-1291-2011, 2011. 
Baines, S. B. and Pace, M. L.: The Production of Dissolved Organic Matter by Phytoplankton and Its Importance to Bacteria: Petterns across Marine and Freshwater Systems, Limnol. Oceanogr., 36, 1078–1090, https://doi.org/10.4319/lo.1991.36.6.1078, 1991. 
Bender, M., Ducklow, H., Kiddon, J., Marra, J., and Martin, J.: The Carbon Balance during the 1989 Spring Bloom in the North Atlantic Ocean, 47∘ N, 20∘ W, Deep-Sea Res. Pt. I, 39, 1707–1725, 1992. 
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We rigorously tested emerging methods for measuring the rate of photosynthesis in the ocean using autonomous robotic platforms. We found similar accuracy to traditional, labor-intensive, ship-based measurements across a variety of ocean conditions. Photosynthesis is the basis of nearly all life, both on land and in the ocean. Our results suggest that by scaling up existing technologies, we can greatly improve global monitoring of one of life's key processes.
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